Shan de Taoyuanxiang, Hai de Wutuobang

For centuries, humans have left Earth to seek new homes beyond the stars. Only a few remain on Earth to look after this slightly worn-out abode.
As facilities and services on Earth gradually cease, the once convenient life becomes more troublesome. Yet those who choose to stay enjoy this "trouble."
Zhang Jun is among the few who returned to Earth from Utopia. Living in the mobile home "Bamboo Basket" with his brother Mu Feng and the robot butler Betsy.
One day, returning from work at the Dai Mountain Forest, Zhang Jun encounters Bai Fujiu, a messenger sent by Oz.
Bai Fujiu brings an upgrade report for the mechanical butler Betsy, disrupting the tranquility. This report makes their leisurely life suddenly interesting...

From Steam